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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 1 — Jan. 14, 2013
  • pp: 358–369

Improving thermal stability of a resonator fiber optic gyro employing a polarizing resonator

Xuhui Yu, Huilian Ma, and Zhonghe Jin  »View Author Affiliations


Optics Express, Vol. 21, Issue 1, pp. 358-369 (2013)
http://dx.doi.org/10.1364/OE.21.000358


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Abstract

To improve the thermal stability of a resonator fiber optic gyro (R-FOG), a transmission-type polarizing resonator by inserting two in-line polarizers in a polarization-maintaining fiber resonator with twin 90° polarization-axis rotated splices is proposed and experimentally demonstrated. The in-line polarizers attenuate the unwanted resonance by introducing high loss for the unwanted eigenstates of polarization in the resonator. The desired resonance in the resonator can keep excellent stability in a wide temperature range, thus the temperature-related polarization error in the R-FOG is dramatically suppressed. Both our numerical simulation and experimental verification are carried out, which for the first time to our best knowledge demonstrate that the open-loop output of the R-FOG is insensitive to environmental temperature variations. A bias stability below 2°/h in the temperature range of 36.2°C to 33°C is successfully demonstrated.

© 2013 OSA

OCIS Codes
(060.2800) Fiber optics and optical communications : Gyroscopes
(120.5790) Instrumentation, measurement, and metrology : Sagnac effect
(230.5750) Optical devices : Resonators

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: October 12, 2012
Revised Manuscript: December 12, 2012
Manuscript Accepted: December 12, 2012
Published: January 4, 2013

Citation
Xuhui Yu, Huilian Ma, and Zhonghe Jin, "Improving thermal stability of a resonator fiber optic gyro employing a polarizing resonator," Opt. Express 21, 358-369 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-1-358


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References

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